// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
#include <array>
#include <cstring>
#include <memory>
#include <optional>
#include <type_traits>
#include <utility>
#include "common/alignment.h"
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/logging/log.h"
#include "common/math_util.h"
#include "common/settings.h"
#include "common/swap.h"
#include "core/core_timing.h"
#include "core/hle/kernel/k_readable_event.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/nvdrv/nvdata.h"
#include "core/hle/service/nvflinger/binder.h"
#include "core/hle/service/nvflinger/buffer_queue_producer.h"
#include "core/hle/service/nvflinger/hos_binder_driver_server.h"
#include "core/hle/service/nvflinger/nvflinger.h"
#include "core/hle/service/nvflinger/parcel.h"
#include "core/hle/service/server_manager.h"
#include "core/hle/service/service.h"
#include "core/hle/service/vi/vi.h"
#include "core/hle/service/vi/vi_m.h"
#include "core/hle/service/vi/vi_results.h"
#include "core/hle/service/vi/vi_s.h"
#include "core/hle/service/vi/vi_u.h"
namespace Service::VI {
struct DisplayInfo {
/// The name of this particular display.
char display_name[0x40]{"Default"};
/// Whether or not the display has a limited number of layers.
u8 has_limited_layers{1};
INSERT_PADDING_BYTES(7);
/// Indicates the total amount of layers supported by the display.
/// @note This is only valid if has_limited_layers is set.
u64 max_layers{1};
/// Maximum width in pixels.
u64 width{1920};
/// Maximum height in pixels.
u64 height{1080};
};
static_assert(sizeof(DisplayInfo) == 0x60, "DisplayInfo has wrong size");
class NativeWindow final {
public:
constexpr explicit NativeWindow(u32 id_) : id{id_} {}
constexpr explicit NativeWindow(const NativeWindow& other) = default;
private:
const u32 magic = 2;
const u32 process_id = 1;
const u32 id;
INSERT_PADDING_WORDS(3);
std::array<u8, 8> dispdrv = {'d', 'i', 's', 'p', 'd', 'r', 'v', '\0'};
INSERT_PADDING_WORDS(2);
};
static_assert(sizeof(NativeWindow) == 0x28, "NativeWindow has wrong size");
class IHOSBinderDriver final : public ServiceFramework<IHOSBinderDriver> {
public:
explicit IHOSBinderDriver(Core::System& system_, NVFlinger::HosBinderDriverServer& server_)
: ServiceFramework{system_, "IHOSBinderDriver"}, server(server_) {
static const FunctionInfo functions[] = {
{0, &IHOSBinderDriver::TransactParcel, "TransactParcel"},
{1, &IHOSBinderDriver::AdjustRefcount, "AdjustRefcount"},
{2, &IHOSBinderDriver::GetNativeHandle, "GetNativeHandle"},
{3, &IHOSBinderDriver::TransactParcel, "TransactParcelAuto"},
};
RegisterHandlers(functions);
}
private:
void TransactParcel(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u32 id = rp.Pop<u32>();
const auto transaction = static_cast<android::TransactionId>(rp.Pop<u32>());
const u32 flags = rp.Pop<u32>();
LOG_DEBUG(Service_VI, "called. id=0x{:08X} transaction={:X}, flags=0x{:08X}", id,
transaction, flags);
server.TryGetProducer(id)->Transact(ctx, transaction, flags);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void AdjustRefcount(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u32 id = rp.Pop<u32>();
const s32 addval = rp.PopRaw<s32>();
const u32 type = rp.Pop<u32>();
LOG_WARNING(Service_VI, "(STUBBED) called id={}, addval={:08X}, type={:08X}", id, addval,
type);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void GetNativeHandle(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u32 id = rp.Pop<u32>();
const u32 unknown = rp.Pop<u32>();
LOG_WARNING(Service_VI, "(STUBBED) called id={}, unknown={:08X}", id, unknown);
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(server.TryGetProducer(id)->GetNativeHandle());
}
private:
NVFlinger::HosBinderDriverServer& server;
};
class ISystemDisplayService final : public ServiceFramework<ISystemDisplayService> {
public:
explicit ISystemDisplayService(Core::System& system_)
: ServiceFramework{system_, "ISystemDisplayService"} {
static const FunctionInfo functions[] = {
{1200, nullptr, "GetZOrderCountMin"},
{1202, nullptr, "GetZOrderCountMax"},
{1203, nullptr, "GetDisplayLogicalResolution"},
{1204, nullptr, "SetDisplayMagnification"},
{2201, nullptr, "SetLayerPosition"},
{2203, nullptr, "SetLayerSize"},
{2204, nullptr, "GetLayerZ"},
{2205, &ISystemDisplayService::SetLayerZ, "SetLayerZ"},
{2207, &ISystemDisplayService::SetLayerVisibility, "SetLayerVisibility"},
{2209, nullptr, "SetLayerAlpha"},
{2210, nullptr, "SetLayerPositionAndSize"},
{2312, nullptr, "CreateStrayLayer"},
{2400, nullptr, "OpenIndirectLayer"},
{2401, nullptr, "CloseIndirectLayer"},
{2402, nullptr, "FlipIndirectLayer"},
{3000, nullptr, "ListDisplayModes"},
{3001, nullptr, "ListDisplayRgbRanges"},
{3002, nullptr, "ListDisplayContentTypes"},
{3200, &ISystemDisplayService::GetDisplayMode, "GetDisplayMode"},
{3201, nullptr, "SetDisplayMode"},
{3202, nullptr, "GetDisplayUnderscan"},
{3203, nullptr, "SetDisplayUnderscan"},
{3204, nullptr, "GetDisplayContentType"},
{3205, nullptr, "SetDisplayContentType"},
{3206, nullptr, "GetDisplayRgbRange"},
{3207, nullptr, "SetDisplayRgbRange"},
{3208, nullptr, "GetDisplayCmuMode"},
{3209, nullptr, "SetDisplayCmuMode"},
{3210, nullptr, "GetDisplayContrastRatio"},
{3211, nullptr, "SetDisplayContrastRatio"},
{3214, nullptr, "GetDisplayGamma"},
{3215, nullptr, "SetDisplayGamma"},
{3216, nullptr, "GetDisplayCmuLuma"},
{3217, nullptr, "SetDisplayCmuLuma"},
{3218, nullptr, "SetDisplayCrcMode"},
{6013, nullptr, "GetLayerPresentationSubmissionTimestamps"},
{8225, nullptr, "GetSharedBufferMemoryHandleId"},
{8250, nullptr, "OpenSharedLayer"},
{8251, nullptr, "CloseSharedLayer"},
{8252, nullptr, "ConnectSharedLayer"},
{8253, nullptr, "DisconnectSharedLayer"},
{8254, nullptr, "AcquireSharedFrameBuffer"},
{8255, nullptr, "PresentSharedFrameBuffer"},
{8256, nullptr, "GetSharedFrameBufferAcquirableEvent"},
{8257, nullptr, "FillSharedFrameBufferColor"},
{8258, nullptr, "CancelSharedFrameBuffer"},
{9000, nullptr, "GetDp2hdmiController"},
};
RegisterHandlers(functions);
}
private:
void SetLayerZ(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 layer_id = rp.Pop<u64>();
const u64 z_value = rp.Pop<u64>();
LOG_WARNING(Service_VI, "(STUBBED) called. layer_id=0x{:016X}, z_value=0x{:016X}", layer_id,
z_value);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
// This function currently does nothing but return a success error code in
// the vi library itself, so do the same thing, but log out the passed in values.
void SetLayerVisibility(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 layer_id = rp.Pop<u64>();
const bool visibility = rp.Pop<bool>();
LOG_DEBUG(Service_VI, "called, layer_id=0x{:08X}, visibility={}", layer_id, visibility);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void GetDisplayMode(HLERequestContext& ctx) {
LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 6};
rb.Push(ResultSuccess);
if (Settings::values.use_docked_mode.GetValue()) {
rb.Push(static_cast<u32>(Service::VI::DisplayResolution::DockedWidth));
rb.Push(static_cast<u32>(Service::VI::DisplayResolution::DockedHeight));
} else {
rb.Push(static_cast<u32>(Service::VI::DisplayResolution::UndockedWidth));
rb.Push(static_cast<u32>(Service::VI::DisplayResolution::UndockedHeight));
}
rb.PushRaw<float>(60.0f); // This wouldn't seem to be correct for 30 fps games.
rb.Push<u32>(0);
}
};
class IManagerDisplayService final : public ServiceFramework<IManagerDisplayService> {
public:
explicit IManagerDisplayService(Core::System& system_, NVFlinger::NVFlinger& nv_flinger_)
: ServiceFramework{system_, "IManagerDisplayService"}, nv_flinger{nv_flinger_} {
// clang-format off
static const FunctionInfo functions[] = {
{200, nullptr, "AllocateProcessHeapBlock"},
{201, nullptr, "FreeProcessHeapBlock"},
{1020, &IManagerDisplayService::CloseDisplay, "CloseDisplay"},
{1102, nullptr, "GetDisplayResolution"},
{2010, &IManagerDisplayService::CreateManagedLayer, "CreateManagedLayer"},
{2011, nullptr, "DestroyManagedLayer"},
{2012, nullptr, "CreateStrayLayer"},
{2050, nullptr, "CreateIndirectLayer"},
{2051, nullptr, "DestroyIndirectLayer"},
{2052, nullptr, "CreateIndirectProducerEndPoint"},
{2053, nullptr, "DestroyIndirectProducerEndPoint"},
{2054, nullptr, "CreateIndirectConsumerEndPoint"},
{2055, nullptr, "DestroyIndirectConsumerEndPoint"},
{2060, nullptr, "CreateWatermarkCompositor"},
{2062, nullptr, "SetWatermarkText"},
{2063, nullptr, "SetWatermarkLayerStacks"},
{2300, nullptr, "AcquireLayerTexturePresentingEvent"},
{2301, nullptr, "ReleaseLayerTexturePresentingEvent"},
{2302, nullptr, "GetDisplayHotplugEvent"},
{2303, nullptr, "GetDisplayModeChangedEvent"},
{2402, nullptr, "GetDisplayHotplugState"},
{2501, nullptr, "GetCompositorErrorInfo"},
{2601, nullptr, "GetDisplayErrorEvent"},
{2701, nullptr, "GetDisplayFatalErrorEvent"},
{4201, nullptr, "SetDisplayAlpha"},
{4203, nullptr, "SetDisplayLayerStack"},
{4205, nullptr, "SetDisplayPowerState"},
{4206, nullptr, "SetDefaultDisplay"},
{4207, nullptr, "ResetDisplayPanel"},
{4208, nullptr, "SetDisplayFatalErrorEnabled"},
{4209, nullptr, "IsDisplayPanelOn"},
{4300, nullptr, "GetInternalPanelId"},
{6000, &IManagerDisplayService::AddToLayerStack, "AddToLayerStack"},
{6001, nullptr, "RemoveFromLayerStack"},
{6002, &IManagerDisplayService::SetLayerVisibility, "SetLayerVisibility"},
{6003, nullptr, "SetLayerConfig"},
{6004, nullptr, "AttachLayerPresentationTracer"},
{6005, nullptr, "DetachLayerPresentationTracer"},
{6006, nullptr, "StartLayerPresentationRecording"},
{6007, nullptr, "StopLayerPresentationRecording"},
{6008, nullptr, "StartLayerPresentationFenceWait"},
{6009, nullptr, "StopLayerPresentationFenceWait"},
{6010, nullptr, "GetLayerPresentationAllFencesExpiredEvent"},
{6011, nullptr, "EnableLayerAutoClearTransitionBuffer"},
{6012, nullptr, "DisableLayerAutoClearTransitionBuffer"},
{6013, nullptr, "SetLayerOpacity"},
{6014, nullptr, "AttachLayerWatermarkCompositor"},
{6015, nullptr, "DetachLayerWatermarkCompositor"},
{7000, nullptr, "SetContentVisibility"},
{8000, nullptr, "SetConductorLayer"},
{8001, nullptr, "SetTimestampTracking"},
{8100, nullptr, "SetIndirectProducerFlipOffset"},
{8200, nullptr, "CreateSharedBufferStaticStorage"},
{8201, nullptr, "CreateSharedBufferTransferMemory"},
{8202, nullptr, "DestroySharedBuffer"},
{8203, nullptr, "BindSharedLowLevelLayerToManagedLayer"},
{8204, nullptr, "BindSharedLowLevelLayerToIndirectLayer"},
{8207, nullptr, "UnbindSharedLowLevelLayer"},
{8208, nullptr, "ConnectSharedLowLevelLayerToSharedBuffer"},
{8209, nullptr, "DisconnectSharedLowLevelLayerFromSharedBuffer"},
{8210, nullptr, "CreateSharedLayer"},
{8211, nullptr, "DestroySharedLayer"},
{8216, nullptr, "AttachSharedLayerToLowLevelLayer"},
{8217, nullptr, "ForceDetachSharedLayerFromLowLevelLayer"},
{8218, nullptr, "StartDetachSharedLayerFromLowLevelLayer"},
{8219, nullptr, "FinishDetachSharedLayerFromLowLevelLayer"},
{8220, nullptr, "GetSharedLayerDetachReadyEvent"},
{8221, nullptr, "GetSharedLowLevelLayerSynchronizedEvent"},
{8222, nullptr, "CheckSharedLowLevelLayerSynchronized"},
{8223, nullptr, "RegisterSharedBufferImporterAruid"},
{8224, nullptr, "UnregisterSharedBufferImporterAruid"},
{8227, nullptr, "CreateSharedBufferProcessHeap"},
{8228, nullptr, "GetSharedLayerLayerStacks"},
{8229, nullptr, "SetSharedLayerLayerStacks"},
{8291, nullptr, "PresentDetachedSharedFrameBufferToLowLevelLayer"},
{8292, nullptr, "FillDetachedSharedFrameBufferColor"},
{8293, nullptr, "GetDetachedSharedFrameBufferImage"},
{8294, nullptr, "SetDetachedSharedFrameBufferImage"},
{8295, nullptr, "CopyDetachedSharedFrameBufferImage"},
{8296, nullptr, "SetDetachedSharedFrameBufferSubImage"},
{8297, nullptr, "GetSharedFrameBufferContentParameter"},
{8298, nullptr, "ExpandStartupLogoOnSharedFrameBuffer"},
};
// clang-format on
RegisterHandlers(functions);
}
private:
void CloseDisplay(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 display = rp.Pop<u64>();
const Result rc = nv_flinger.CloseDisplay(display) ? ResultSuccess : ResultUnknown;
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(rc);
}
void CreateManagedLayer(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u32 unknown = rp.Pop<u32>();
rp.Skip(1, false);
const u64 display = rp.Pop<u64>();
const u64 aruid = rp.Pop<u64>();
LOG_WARNING(Service_VI,
"(STUBBED) called. unknown=0x{:08X}, display=0x{:016X}, aruid=0x{:016X}",
unknown, display, aruid);
const auto layer_id = nv_flinger.CreateLayer(display);
if (!layer_id) {
LOG_ERROR(Service_VI, "Layer not found! display=0x{:016X}", display);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push(*layer_id);
}
void AddToLayerStack(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u32 stack = rp.Pop<u32>();
const u64 layer_id = rp.Pop<u64>();
LOG_WARNING(Service_VI, "(STUBBED) called. stack=0x{:08X}, layer_id=0x{:016X}", stack,
layer_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void SetLayerVisibility(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 layer_id = rp.Pop<u64>();
const bool visibility = rp.Pop<bool>();
LOG_WARNING(Service_VI, "(STUBBED) called, layer_id=0x{:X}, visibility={}", layer_id,
visibility);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
NVFlinger::NVFlinger& nv_flinger;
};
class IApplicationDisplayService final : public ServiceFramework<IApplicationDisplayService> {
public:
IApplicationDisplayService(Core::System& system_, NVFlinger::NVFlinger& nv_flinger_,
NVFlinger::HosBinderDriverServer& hos_binder_driver_server_)
: ServiceFramework{system_, "IApplicationDisplayService"}, nv_flinger{nv_flinger_},
hos_binder_driver_server{hos_binder_driver_server_} {
static const FunctionInfo functions[] = {
{100, &IApplicationDisplayService::GetRelayService, "GetRelayService"},
{101, &IApplicationDisplayService::GetSystemDisplayService, "GetSystemDisplayService"},
{102, &IApplicationDisplayService::GetManagerDisplayService,
"GetManagerDisplayService"},
{103, &IApplicationDisplayService::GetIndirectDisplayTransactionService,
"GetIndirectDisplayTransactionService"},
{1000, &IApplicationDisplayService::ListDisplays, "ListDisplays"},
{1010, &IApplicationDisplayService::OpenDisplay, "OpenDisplay"},
{1011, &IApplicationDisplayService::OpenDefaultDisplay, "OpenDefaultDisplay"},
{1020, &IApplicationDisplayService::CloseDisplay, "CloseDisplay"},
{1101, &IApplicationDisplayService::SetDisplayEnabled, "SetDisplayEnabled"},
{1102, &IApplicationDisplayService::GetDisplayResolution, "GetDisplayResolution"},
{2020, &IApplicationDisplayService::OpenLayer, "OpenLayer"},
{2021, &IApplicationDisplayService::CloseLayer, "CloseLayer"},
{2030, &IApplicationDisplayService::CreateStrayLayer, "CreateStrayLayer"},
{2031, &IApplicationDisplayService::DestroyStrayLayer, "DestroyStrayLayer"},
{2101, &IApplicationDisplayService::SetLayerScalingMode, "SetLayerScalingMode"},
{2102, &IApplicationDisplayService::ConvertScalingMode, "ConvertScalingMode"},
{2450, &IApplicationDisplayService::GetIndirectLayerImageMap,
"GetIndirectLayerImageMap"},
{2451, nullptr, "GetIndirectLayerImageCropMap"},
{2460, &IApplicationDisplayService::GetIndirectLayerImageRequiredMemoryInfo,
"GetIndirectLayerImageRequiredMemoryInfo"},
{5202, &IApplicationDisplayService::GetDisplayVsyncEvent, "GetDisplayVsyncEvent"},
{5203, nullptr, "GetDisplayVsyncEventForDebug"},
};
RegisterHandlers(functions);
}
private:
enum class ConvertedScaleMode : u64 {
Freeze = 0,
ScaleToWindow = 1,
ScaleAndCrop = 2,
None = 3,
PreserveAspectRatio = 4,
};
enum class NintendoScaleMode : u32 {
None = 0,
Freeze = 1,
ScaleToWindow = 2,
ScaleAndCrop = 3,
PreserveAspectRatio = 4,
};
void GetRelayService(HLERequestContext& ctx) {
LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IHOSBinderDriver>(system, hos_binder_driver_server);
}
void GetSystemDisplayService(HLERequestContext& ctx) {
LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<ISystemDisplayService>(system);
}
void GetManagerDisplayService(HLERequestContext& ctx) {
LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IManagerDisplayService>(system, nv_flinger);
}
void GetIndirectDisplayTransactionService(HLERequestContext& ctx) {
LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IHOSBinderDriver>(system, hos_binder_driver_server);
}
void OpenDisplay(HLERequestContext& ctx) {
LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::RequestParser rp{ctx};
const auto name_buf = rp.PopRaw<std::array<char, 0x40>>();
OpenDisplayImpl(ctx, std::string_view{name_buf.data(), name_buf.size()});
}
void OpenDefaultDisplay(HLERequestContext& ctx) {
LOG_DEBUG(Service_VI, "called");
OpenDisplayImpl(ctx, "Default");
}
void OpenDisplayImpl(HLERequestContext& ctx, std::string_view name) {
const auto trim_pos = name.find('\0');
if (trim_pos != std::string_view::npos) {
name.remove_suffix(name.size() - trim_pos);
}
ASSERT_MSG(name == "Default", "Non-default displays aren't supported yet");
const auto display_id = nv_flinger.OpenDisplay(name);
if (!display_id) {
LOG_ERROR(Service_VI, "Display not found! display_name={}", name);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultNotFound);
return;
}
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<u64>(*display_id);
}
void CloseDisplay(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 display_id = rp.Pop<u64>();
const Result rc = nv_flinger.CloseDisplay(display_id) ? ResultSuccess : ResultUnknown;
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(rc);
}
// This literally does nothing internally in the actual service itself,
// and just returns a successful result code regardless of the input.
void SetDisplayEnabled(HLERequestContext& ctx) {
LOG_DEBUG(Service_VI, "called.");
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void GetDisplayResolution(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 display_id = rp.Pop<u64>();
LOG_DEBUG(Service_VI, "called. display_id=0x{:016X}", display_id);
IPC::ResponseBuilder rb{ctx, 6};
rb.Push(ResultSuccess);
// This only returns the fixed values of 1280x720 and makes no distinguishing
// between docked and undocked dimensions. We take the liberty of applying
// the resolution scaling factor here.
rb.Push(static_cast<u64>(DisplayResolution::UndockedWidth));
rb.Push(static_cast<u64>(DisplayResolution::UndockedHeight));
}
void SetLayerScalingMode(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto scaling_mode = rp.PopEnum<NintendoScaleMode>();
const u64 unknown = rp.Pop<u64>();
LOG_DEBUG(Service_VI, "called. scaling_mode=0x{:08X}, unknown=0x{:016X}", scaling_mode,
unknown);
IPC::ResponseBuilder rb{ctx, 2};
if (scaling_mode > NintendoScaleMode::PreserveAspectRatio) {
LOG_ERROR(Service_VI, "Invalid scaling mode provided.");
rb.Push(ResultOperationFailed);
return;
}
if (scaling_mode != NintendoScaleMode::ScaleToWindow &&
scaling_mode != NintendoScaleMode::PreserveAspectRatio) {
LOG_ERROR(Service_VI, "Unsupported scaling mode supplied.");
rb.Push(ResultNotSupported);
return;
}
rb.Push(ResultSuccess);
}
void ListDisplays(HLERequestContext& ctx) {
LOG_WARNING(Service_VI, "(STUBBED) called");
const DisplayInfo display_info;
ctx.WriteBuffer(&display_info, sizeof(DisplayInfo));
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<u64>(1);
}
void OpenLayer(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto name_buf = rp.PopRaw<std::array<u8, 0x40>>();
const auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
const std::string display_name(name_buf.begin(), end);
const u64 layer_id = rp.Pop<u64>();
const u64 aruid = rp.Pop<u64>();
LOG_DEBUG(Service_VI, "called. layer_id=0x{:016X}, aruid=0x{:016X}", layer_id, aruid);
const auto display_id = nv_flinger.OpenDisplay(display_name);
if (!display_id) {
LOG_ERROR(Service_VI, "Layer not found! layer_id={}", layer_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultNotFound);
return;
}
const auto buffer_queue_id = nv_flinger.FindBufferQueueId(*display_id, layer_id);
if (!buffer_queue_id) {
LOG_ERROR(Service_VI, "Buffer queue id not found! display_id={}", *display_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultNotFound);
return;
}
const auto parcel = android::OutputParcel{NativeWindow{*buffer_queue_id}};
const auto buffer_size = ctx.WriteBuffer(parcel.Serialize());
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.Push<u64>(buffer_size);
}
void CloseLayer(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto layer_id{rp.Pop<u64>()};
LOG_DEBUG(Service_VI, "called. layer_id=0x{:016X}", layer_id);
nv_flinger.CloseLayer(layer_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void CreateStrayLayer(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u32 flags = rp.Pop<u32>();
rp.Pop<u32>(); // padding
const u64 display_id = rp.Pop<u64>();
LOG_DEBUG(Service_VI, "called. flags=0x{:08X}, display_id=0x{:016X}", flags, display_id);
// TODO(Subv): What's the difference between a Stray and a Managed layer?
const auto layer_id = nv_flinger.CreateLayer(display_id);
if (!layer_id) {
LOG_ERROR(Service_VI, "Layer not found! display_id={}", display_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultNotFound);
return;
}
const auto buffer_queue_id = nv_flinger.FindBufferQueueId(display_id, *layer_id);
if (!buffer_queue_id) {
LOG_ERROR(Service_VI, "Buffer queue id not found! display_id={}", display_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultNotFound);
return;
}
const auto parcel = android::OutputParcel{NativeWindow{*buffer_queue_id}};
const auto buffer_size = ctx.WriteBuffer(parcel.Serialize());
IPC::ResponseBuilder rb{ctx, 6};
rb.Push(ResultSuccess);
rb.Push(*layer_id);
rb.Push<u64>(buffer_size);
}
void DestroyStrayLayer(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 layer_id = rp.Pop<u64>();
LOG_WARNING(Service_VI, "(STUBBED) called. layer_id=0x{:016X}", layer_id);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void GetDisplayVsyncEvent(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const u64 display_id = rp.Pop<u64>();
LOG_DEBUG(Service_VI, "called. display_id={}", display_id);
const auto vsync_event = nv_flinger.FindVsyncEvent(display_id);
if (vsync_event.Failed()) {
const auto result = vsync_event.Code();
if (result == ResultNotFound) {
LOG_ERROR(Service_VI, "Vsync event was not found for display_id={}", display_id);
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(result);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(ResultSuccess);
rb.PushCopyObjects(*vsync_event);
}
void ConvertScalingMode(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto mode = rp.PopEnum<NintendoScaleMode>();
LOG_DEBUG(Service_VI, "called mode={}", mode);
const auto converted_mode = ConvertScalingModeImpl(mode);
if (converted_mode.Succeeded()) {
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(ResultSuccess);
rb.PushEnum(*converted_mode);
} else {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(converted_mode.Code());
}
}
void GetIndirectLayerImageMap(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto width = rp.Pop<s64>();
const auto height = rp.Pop<s64>();
const auto indirect_layer_consumer_handle = rp.Pop<u64>();
const auto applet_resource_user_id = rp.Pop<u64>();
LOG_WARNING(Service_VI,
"(STUBBED) called, width={}, height={}, indirect_layer_consumer_handle={}, "
"applet_resource_user_id={}",
width, height, indirect_layer_consumer_handle, applet_resource_user_id);
std::vector<u8> out_buffer(0x46);
ctx.WriteBuffer(out_buffer);
// TODO: Figure out what these are
constexpr s64 unknown_result_1 = 0;
constexpr s64 unknown_result_2 = 0;
IPC::ResponseBuilder rb{ctx, 6};
rb.Push(unknown_result_1);
rb.Push(unknown_result_2);
rb.Push(ResultSuccess);
}
void GetIndirectLayerImageRequiredMemoryInfo(HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto width = rp.Pop<u64>();
const auto height = rp.Pop<u64>();
LOG_DEBUG(Service_VI, "called width={}, height={}", width, height);
constexpr u64 base_size = 0x20000;
constexpr u64 alignment = 0x1000;
const auto texture_size = width * height * 4;
const auto out_size = (texture_size + base_size - 1) / base_size * base_size;
IPC::ResponseBuilder rb{ctx, 6};
rb.Push(ResultSuccess);
rb.Push(out_size);
rb.Push(alignment);
}
static ResultVal<ConvertedScaleMode> ConvertScalingModeImpl(NintendoScaleMode mode) {
switch (mode) {
case NintendoScaleMode::None:
return ConvertedScaleMode::None;
case NintendoScaleMode::Freeze:
return ConvertedScaleMode::Freeze;
case NintendoScaleMode::ScaleToWindow:
return ConvertedScaleMode::ScaleToWindow;
case NintendoScaleMode::ScaleAndCrop:
return ConvertedScaleMode::ScaleAndCrop;
case NintendoScaleMode::PreserveAspectRatio:
return ConvertedScaleMode::PreserveAspectRatio;
default:
LOG_ERROR(Service_VI, "Invalid scaling mode specified, mode={}", mode);
return ResultOperationFailed;
}
}
NVFlinger::NVFlinger& nv_flinger;
NVFlinger::HosBinderDriverServer& hos_binder_driver_server;
};
static bool IsValidServiceAccess(Permission permission, Policy policy) {
if (permission == Permission::User) {
return policy == Policy::User;
}
if (permission == Permission::System || permission == Permission::Manager) {
return policy == Policy::User || policy == Policy::Compositor;
}
return false;
}
void detail::GetDisplayServiceImpl(HLERequestContext& ctx, Core::System& system,
NVFlinger::NVFlinger& nv_flinger,
NVFlinger::HosBinderDriverServer& hos_binder_driver_server,
Permission permission) {
IPC::RequestParser rp{ctx};
const auto policy = rp.PopEnum<Policy>();
if (!IsValidServiceAccess(permission, policy)) {
LOG_ERROR(Service_VI, "Permission denied for policy {}", policy);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultPermissionDenied);
return;
}
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(ResultSuccess);
rb.PushIpcInterface<IApplicationDisplayService>(system, nv_flinger, hos_binder_driver_server);
}
void LoopProcess(Core::System& system, NVFlinger::NVFlinger& nv_flinger,
NVFlinger::HosBinderDriverServer& hos_binder_driver_server) {
auto server_manager = std::make_unique<ServerManager>(system);
server_manager->RegisterNamedService(
"vi:m", std::make_shared<VI_M>(system, nv_flinger, hos_binder_driver_server));
server_manager->RegisterNamedService(
"vi:s", std::make_shared<VI_S>(system, nv_flinger, hos_binder_driver_server));
server_manager->RegisterNamedService(
"vi:u", std::make_shared<VI_U>(system, nv_flinger, hos_binder_driver_server));
ServerManager::RunServer(std::move(server_manager));
}
} // namespace Service::VI